You can automatically forward anonymous telephone calls to one of the FRITZ!Box's internal answering machines. This does not work with anonymous faxes because each time you receive a call, the answering machine checks whether it is a telephone call or a fax call. The answering machine then automatically forwards faxes to a fax machine configured in the FRITZ!Box. If you would like to block anonymous fax calls and use a separate fax number for the fax, as an alternative you can block all anonymous calls to the fax number.

1 Preparations

Configuring and disabling the first answering machine

The first answering machine cannot be used exclusively as the destination for diverted calls from anonymous callers because this answering machine also always reacts to external calls. If you were to use this answering machine, callers who transmit their caller ID would also be diverted to the answering machine. For this reason, you must first configure the first answering machine and then disable it if you have not configured an answering machine in the FRITZ!Box yet: